The pollen grains are covered with two concentric wall layers, the outer exine and the inner intine. The stratification of pollen wall is primarily based upon optical microscopy of whole as well as sectioned grains and upon staining reactions of the strata. Recently such stratification is complemented by the biochemical analysis of the various pollen […]
Layer of Pollen Grains | Palynology
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Role of Proteins in Pollen Grains | Palynology
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In this article we will discuss about the role of proteins in pollen grains. T. Singer and Petrovskya – Baranova (1961) were the first to show the existence of proteins with enzymatic properties in certain layers of the pollen walls of Paeonia and Amaryllis. Subsequently, Makinen and McDonald (1968) demonstrated the pollen enzymes and isoenzymes […]
Pollen-Expressed and Pollen-Specific Genes | Palynology
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In this article we will discuss about the pollen-expressed and pollen specific genes. It is recognized that there are two different sets of genes required for pollen development, one set for the development of pollen grains prior to anthesis, and the other for pollen germination and tube growth. Several reports are accessible aimed at examining […]
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